<template>
  <div class="component-upload-image">
    <el-upload
      :action="uploadImgUrl"
      list-type="picture-card"
      :on-success="handleUploadSuccess"
      :before-upload="handleBeforeUpload"
      :on-error="handleUploadError"
      :on-progress="onProgressUpdate"
      name="file"
      :data="uploadData"
      :show-file-list="false"
      style="display: inline-block; vertical-align: top"
    >
      <el-image v-if="!value" :src="value">
        <div slot="error" class="image-slot">
          <i class="el-icon-plus" />
        </div>
      </el-image>
      <div v-else class="image">
        <el-image
          :src="value"
          :style="`width:150px;height:150px;`"
          fit="fill"
        />
        <div class="mask">
          <div class="actions">
            <span title="预览" @click.stop="dialogVisible = true">
              <i class="el-icon-zoom-in" />
            </span>
            <span title="移除" @click.stop="removeImage">
              <i class="el-icon-delete" />
            </span>
          </div>
        </div>
      </div>
    </el-upload>
    <el-dialog
      :visible.sync="dialogVisible"
      title="预览"
      width="70%"
      append-to-body
    >
      <img
        :src="value"
        style="display: block; max-width: 100%; margin: 0 auto"
      />
    </el-dialog>
  </div>
</template>

<script>
import { getToken } from "@/utils/auth";
import { getUploadToken } from "@/api/monitor/file";
export default {
  data() {
    return {
      dialogVisible: false,
      // uploadImgUrl: process.env.VUE_APP_BASE_API + "/file/upload", // 上传的图片服务器地址
      // headers: {
      //   Authorization: "Bearer " + getToken(),
      // },
      dialogVisible: false,
      uploadImgUrl: "https://upload-z2.qiniup.com",
      upload_domain: "",
      uploadData: { token: "", key: "" },
    };
  },
  props: {
    value: {
      type: String,
      default: "",
    },
  },
  methods: {
    removeImage() {
      this.$emit("input", "");
    },
    handleUploadSuccess(res) {
      this.$emit("input", this.upload_domain + res.key);
    },
    handleBeforeUpload() {
      let _self = this;
      return new Promise((resolve, reject) => {
        getUploadToken()
          .then((response) => {
            _self.uploadData.key = response.data.key;
            _self.uploadData.token = response.data.token;
            _self.upload_domain = response.data.domain;
            resolve(true);
          })
          .catch((err) => {
            console.log("出错了...", err);
            reject(false);
          });
      });
    },
    onProgressUpdate(event, file, fileList) {
      // this.loading = this.$loading({
        // lock: true,
        // text: "上传中",
        // background: "rgba(0, 0, 0, 0.7)",
      // });

        this.imgFlag = true;
        console.log(event.percent);
        this.percent = Math.floor(event.percent);

    },
    handleUploadError() {
      this.$message({
        type: "error",
        message: "上传失败",
      });
      this.loading.close();
    },
  },
  watch: {},
};
</script>

<style scoped lang="scss">
.image {
  position: relative;
  .mask {
    opacity: 0;
    position: absolute;
    top: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    transition: all 0.3s;
  }
  &:hover .mask {
    opacity: 1;
  }
}
.el-upload-list__item {
  transition: none !important;
}
</style>
